1,4-Bis(2-hydroxyethoxy)-2-butyne CAS 1606-85-5

Butyne glycol ethoxylate is an organic compound with the chemical formula C₈H₁₄O₄, molecular weight 174.19, and CAS number 1606-85-5. Its Chinese aliases include BEO, butyne glycol diethoxy ether, etc., and its English names include 1,4-Bis(2-hydroxyethoxy)-2-butyne, 2,2’-[2-butyne-1,4-diylbis(oxy)]bis-ethanol, etc. Its EINECS number is 216-526-0.

Availability:



Inquire

Model:
1606-85-5
Brand:
futurechemical
Code:
1606-85-5

Product Description

1,4-Bis(2-hydroxyethoxy)-2-butyne Basic information
Product Name:	1,4-Bis(2-hydroxyethoxy)-2-butyne
CAS:	1606-85-5
MF:	C8H14O4
MW:	174.19
EINECS:	216-526-0
Mol File:	1606-85-5.mol
1,4-Bis(2-hydroxyethoxy)-2-butyne Chemical Properties
Boiling point	225.17°C (rough estimate)
density	1.144 g/mL at 25 °C(lit.)
refractive index	n20/D 1.485(lit.)
Fp	>230 °F
storage temp.	Sealed in dry,Room Temperature
pka	13.95±0.10(Predicted)
form	clear liquid
color	Colorless to Brown
Specific Gravity	1.1420 - 1.1470
InChI	InChI=1S/C8H14O4/c9-3-7-11-5-1-2-6-12-8-4-10/h9-10H,3-8H2
InChIKey	IXAWTPMDMPUGLV-UHFFFAOYSA-N
SMILES	C(OCCO)C#CCOCCO
CAS DataBase Reference	1606-85-5(CAS DataBase Reference)
EPA Substance Registry System	Ethanol, 2,2'-[2-butyne-1,4-diylbis(oxy)]bis- (1606-85-5)

1 4-Bis(2-hydroxyethoxy)-2-butyne 1606-85-5 BEO (C4H6O2)(C2H4O)nH2 Nickel plating brighteners and leveling agents Biodegradable plastic raw materials Dye dispersants Daily chemical detergents Cosmetic solubilizers and stabilizers Rubber and plastic modification

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.